Dorma DK90 Automatic Sliding Door Opener

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Dorma DK90 Automatic Sliding Door Opener

Dorma DK90 automatic door drive system, bearing double leaf 2*90 kg, single leaf 90 kg, passing width 700-2100mm. The automatic door unit is economical, simple to install, and has a very low failure rate.

The biggest highlight is that the first automatic Dorma automatic door comes standard with a super beautiful remote control. As the world's leading provider of gated solutions, DORMA has developed this upgraded version of the automatic sliding door for emerging markets: the DK90 sliding door drive.

dorma dk90 automatic sliding door opener
1.Power Switch 2.DORMA BLDC Motor
3.DORMA Bearing Frame 4.DORMA Control Unit
5.Driving Belt 6.DORMA Radar Sensor
7.DORMA Wireless Key Switch 8.Belt Tightening Device
9.Stop Block


Note: The product has no cover currently.

Dorma Wireless Key Switch

dorma dk90 automatic sliding door opener wireless remote


  • Dorma, entirely new design style, fashionable and smart.
  • 32-bit encryption technology provides 4.3 billion different password combinations.
  • Light and small, easy to carry.
  • Factory preset, debugging free.


  • Wireless remote control, as convenient as a car key.
  • Smaller volume, higher security.
  • With a remote control distance of 15 meters, can be used as pendant and can also be installed on the wall.
  • Ready-to-use; support multichannel control.

Dorma Radar Sensor

dorma dk90 radar sensor


  • European origin, swiss design.
  • Imported components with CE certification.
  • Maximum installation height: 4m
  • Maximum installation height: 4.8m (Width) x 2.3m (Depth).


  • Modern and elegant appearance makes the entrance more high-end.
  • Adoption of high quality imported components, with excellent performance.
  • Strong adaptability to environment and wider application range.
  • Having passed CE certification, quality and safety are guaranteed.

Dorma BLDC Motor

dorma dk90 sliding door opener bldc motor


  • DC Brushless motor.
  • Turbine drive.
  • Durability testing far exceeds the industry standards.
  • Having passed the stringent durability test of DORMA TM on noise, temperature, etc.


  • Ultra-long service life.
  • Excellent performance in mute and reliability.
  • Stable torque output.
  • Strong and durable, suitable for all kinds of environment.

Dorma Bearing Frame

dorma dk90 sliding door bearing frame


  • Adjustable Anti-shedding device.
  • Balance weight design of double-pulley.
  • Ball bearing pulley made of polymer material.
  • Having passed the stringent durability test of DORMA.


  • Enable the door leaf to move quietly and smoothly.
  • The bearing frame can hold the rail security even when an obstacle is encountered or being hit by an external force.
  • Greatly improve the reliability and durability of the whole machine.

Dorma Intelligent Function Extension Package

Dorma dk90 intelligent battery


  • The service life of EM-LOCK can reach more than 100,000 times.
  • Aluminum alloy bracket, strong and durable.
  • Voltage of the intelligent battery is DC12V1.2AH, power on: door closing, power off: door opening.


  • The load bearing of a single door leaf can be expanded by 10-15kg.
  • An original electromagnetic lock can be inserted.
  • An original battery can be inserted.

DK90 Technical Specifications

Door leaf parameters



Double-leaf sliding door

.Passage width

.Maximum door weight


max. 2x90kg

Single-leaf sliding door

 .Passage width

.Maximum door weight

max. 1000mm

max. 90kg

 Unit height: 125mm
Unit depth: 150mm
Rail length: 2x2.2m/1x4.2m

Maximum door opening/closing force

(power outage):

Door opening speed (gradually adjustable) 10-15cm/s
Door closing speed (gradually adjustable) 10-40cm/s
Door opening hold time (adjustable) 0-9sec
Power supply requirements 230V, 50/60HZ
Rated power: 150W
Electrical protection grade: IP20

Dorma DK90 Installation Details

dorma dk90 rail section size
dorma dk90 rail section size 2

Wiring Diagram

dorma dk90 wiring diagram

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